What is Abigail Stewart's NPI number?

Abigail Stewart's National Provider Identifier (NPI) is 1811670953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Abigail Stewart's specialty?

Abigail Stewart is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Abigail Stewart located?

Abigail Stewart's practice location on file with NPPES is 9846 White Oak Ave, Northridge, CA 91325-4806.

What is Abigail Stewart's phone number?

The practice phone number listed in the NPPES registry for Abigail Stewart is (747) 333-8884.

Is Abigail Stewart's NPI active?

Yes — Abigail Stewart's NPI (1811670953) is active in the NPPES registry as of the last update on 2026-03-18.

IndividualActive

Abigail Stewart

NPI 1811670953 · Social Worker · Northridge, CA

Abigail Stewart is a Social Worker provider in Northridge, CA (NPI 1811670953).

Provider details

NPI number: 1811670953
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(52/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

9846 White Oak Ave

Northridge, CA 91325-4806

Phone: (747) 333-8884

Street-level locationGet directions

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Mailing address